Alashan Agate 10mm Snake size image attached Inner diameter: Only size adjustments down to 14-16cm are possible. Not suitable for those with metal allergies ( ´._.`) Please purchase only if you understand that this is completely handmade. *Please confirm the images carefully and make your own judgment. If you have any questions or concerns, please ask before purchasing. Returns, refunds, and exchanges are not accepted after arrival. I am a handmade seller! Please understand. If you are looking for perfection, please purchase from a shop. Alashan Agate is a rare natural stone said to be a legendary power stone in China. It is collected from the deserts of Inner Mongolia and is said to have been formed through weathering over a long period of 2 billion years. It is popular as a power stone and is also valued as a Buddhist tool.